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Hartweg's Checkerbloom
Sidalcea hartwegii
  
0 Nurseries Carry This Plant

About Hartweg's Checkerbloom (Sidalcea hartwegii) 0 Nurseries Carry This Plant Sidalcea hartwegii is a species of flowering plant in the mallow family known by the common names valley checkerbloom and Hartweg's checkerbloom. The plant is endemic to California, where it grows in the Sacramento Valley and adjacent foothills of the California Coast Ranges to the west, and of the Sierra Nevada to the east. It can be found in oak woodland and grassland habitats below 600 metres (2,000 ft), sometimes on serpentine soils. Sidalcea hartwegii is an annual herb that produces a slender stem up to 30 centimetres (12 in) tall, mostly hairless with occasional branching hairs. The leaf blades are deeply divided into five to seven narrow linear lobes. The inflorescence is a clustered panicle of four to six flowers, each with five purplish pink petals about 2 centimeters long. The bloom period is May and June.
Plant Description
Plant Type
Plant Type
Annual Herb

Size
Size
5.9 - 11.8 in tall

Flower Color
Flower Color
Pink, Purple

Wildlife Supported
 


 
Butterflies & moths hosted ( 5 likely * ) SHOW ALL
*
Strymon melinus Image
Gray Hairstreak Strymon melinusStrymon melinus
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Pyrgus communis Image
Common Checkered-Skipper Pyrgus communisPyrgus communis
*
Pyrgus ruralis Image
Two-banded Checkered-Skipper Pyrgus ruralisPyrgus ruralis
*
Vanessa annabella Image
West Coast Lady Vanessa annabellaVanessa annabella
*
Pyrgus albescens Image
White Checkered-Skipper Pyrgus albescensPyrgus albescens

Landscaping Information
Natural Setting
Climate
Climate
Annual Precipitation: 11.1" - 94.4", Summer Precipitation: 0.17" - 2.50", Coldest Month: 29.6" - 52.2", Hottest Month: 50.4" - 77.9", Humidity: 0.52" - 26.50", Elevation: 22" - 8996"

Alternative Names
Common Names: Hartweg Sidalcea, Valley Checkerbloom, Valley Checkermallow


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Sources include: Wikipedia. All text shown in the "About" section of these pages is available under the Creative Commons Attribution-ShareAlike License. Plant observation data provided by the participants of the California Consortia of Herbaria, Sunset information provided by Jepson Flora Project. Propogation from seed information provided by the Santa Barbara Botanical Garden from "Seed Propagation of Native California Plants" by Dara E. Emery. Sources of plant photos include CalPhotos, Wikimedia Commons, and independent plant photographers who have agreed to share their images with Calscape. Other general sources of information include Calflora, CNPS Manual of Vegetation Online, Jepson Flora Project, Las Pilitas, Theodore Payne, Tree of Life, The Xerces Society, and information provided by CNPS volunteer editors, with special thanks to Don Rideout. Climate data used in creation of plant range maps is from PRISM Climate Group, Oregon State University, using 30 year (1981-2010) annual "normals" at an 800 meter spatial resolution.

Links:   Jepson eFlora Taxon Page  CalPhotos  Wikipedia  Calflora


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